This is thought to be an experimental Grasshopper Harvester for use in corn. There are three near vertical backboards with a triangular trough at the bottom. The troughs had water and a layer of kerosene in it. The grasshoppers were supposed to...

This is thought to be an experimental Grasshopper Harvester for use in corn. There are three near vertical backboards with a triangular trough at the bottom. The troughs had water and a layer of kerosene in it. The grasshoppers were supposed to...